Based on this product's specifications, here are some alternatives and similar models
Radio line 1-channel with remote SCOT RC-112A — single-channel wireless control system
Summary description:
SCOT RC-112A is a 1-channel radio line with remote control designed for single-channel wireless control applications. It provides basic radio communication between a handheld transmitter and a receiver for operating one output or device. Typical uses include remote switching of gates, lights, alarms or simple automation tasks where a single control channel is required.